21032297520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1931}}^1\times {\mathrm{3491}}^1$

素因数の和:5451

約数の個数: 160

約数和(自身を含む): 70272002304

約数和(自身を除く): 49239704784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 1931, 3120, 3491, 3862, 5793, 6982, 7724, 9655, 10473, 11586, 13964, 15448, 17455, 19310, 20946, 23172, 25103, 27928, 28965, 30896, 34910, 38620, 41892, 45383, 46344, 50206, 52365, 55856, 57930, 69820, 75309, 77240, 83784, 90766, 92688, 100412, 104730, 115860, 125515, 136149, 139640, 150618, 154480, 167568, 181532, 200824, 209460, 226915, 231720, 251030, 272298, 279280, 301236, 363064, 376545, 401648, 418920, 453830, 463440, 502060, 544596, 602472, 680745, 726128, 753090, 837840, 907660, 1004120, 1089192, 1204944, 1361490, 1506180, 1815320, 2008240, 2178384, 2722980, 3012360, 3630640, 5445960, 6024720, 6741121, 10891920, 13482242, 20223363, 26964484, 33705605, 40446726, 53928968, 67411210, 80893452, 87634573, 101116815, 107857936, 134822420, 161786904, 175269146, 202233630, 262903719, 269644840, 323573808, 350538292, 404467260, 438172865, 525807438, 539289680, 701076584, 808934520, 876345730, 1051614876, 1314518595, 1402153168, 1617869040, 1752691460, 2103229752, 2629037190, 3505382920, 4206459504, 5258074380, 7010765840, 10516148760, 21032297520]

約数ペア:

[(1, 21032297520), (2, 10516148760), (3, 7010765840), (4, 5258074380), (5, 4206459504), (6, 3505382920), (8, 2629037190), (10, 2103229752), (12, 1752691460), (13, 1617869040), (15, 1402153168), (16, 1314518595), (20, 1051614876), (24, 876345730), (26, 808934520), (30, 701076584), (39, 539289680), (40, 525807438), (48, 438172865), (52, 404467260), (60, 350538292), (65, 323573808), (78, 269644840), (80, 262903719), (104, 202233630), (120, 175269146), (130, 161786904), (156, 134822420), (195, 107857936), (208, 101116815), (240, 87634573), (260, 80893452), (312, 67411210), (390, 53928968), (520, 40446726), (624, 33705605), (780, 26964484), (1040, 20223363), (1560, 13482242), (1931, 10891920), (3120, 6741121), (3491, 6024720), (3862, 5445960), (5793, 3630640), (6982, 3012360), (7724, 2722980), (9655, 2178384), (10473, 2008240), (11586, 1815320), (13964, 1506180), (15448, 1361490), (17455, 1204944), (19310, 1089192), (20946, 1004120), (23172, 907660), (25103, 837840), (27928, 753090), (28965, 726128), (30896, 680745), (34910, 602472), (38620, 544596), (41892, 502060), (45383, 463440), (46344, 453830), (50206, 418920), (52365, 401648), (55856, 376545), (57930, 363064), (69820, 301236), (75309, 279280), (77240, 272298), (83784, 251030), (90766, 231720), (92688, 226915), (100412, 209460), (104730, 200824), (115860, 181532), (125515, 167568), (136149, 154480), (139640, 150618)]